Portable cassette player



FIG. 1 is a front perspective view of a portable cassette player showing our new design;

FIG. 2 is a front elevation;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevation;

FIG. 6 is a right side elevation; and,

FIG. 7 is a rear elevation. 

The ornamental design for a portable cassette player, as shown and described. 